Lets see how wrong [HASHTAG]#WTFCulture[/HASHTAG] is. I will paste the list, vote the number you knew above.
10. Only One WrestleMania Did Not Have Any Title Changes – WrestleMania 27
9. The Rock Did Not Win Any WrestleMania Main Events Until WrestleMania 28
8. Rob Van Dam Holds The Best Undefeated WrestleMania Record Today
7. Five Men Have Won Both A WrestleMania Opener, And A WrestleMania Main Event
6. Three Men Have Left WrestleMania As WWE, Intercontinental, And Tag Team Champion
5. Hulk Hogan Was The First Man To Challenge For WWE, Intercontinental, And Tag Team Gold At WrestleMania
4. Hulk Hogan Has Only Been Pinned Twice At WrestleMania, Both Times In Toronto
3. Over A Stretch Of Nine WrestleManias, The Intercontinental Belt Was Only Defended Once – For 21 Seconds
2. Three Men Have Main Evented WrestleMania In Three Different Decades
1. Seth Rollins Is The First WrestleMania Main Event Winner That Is Younger Than WrestleMania Itself
Source
and yes I know the gif stops at 25...